$ git clone -n https://src.fedoraproject.org/rpms/hscolour.git /var/lib/mock/f38-build-side-42-init-devel-659894-26626/root/chroot_tmpdir/scmroot/hscolour
Cloning into '/var/lib/mock/f38-build-side-42-init-devel-659894-26626/root/chroot_tmpdir/scmroot/hscolour'...
$ git fetch origin 5edcd0c66446f1efdc94a061242c4401c2018518:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/hscolour
 * [new ref]         5edcd0c66446f1efdc94a061242c4401c2018518 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 5edcd0c bump release